Base64 File Encoder / Decoder
100% Client-Side. Files never upload to any remote server.
About XML File Viewer
The In-Browser XML File Viewer & DOM Tree Navigator formats, highlights, inspects, and validates complex XML documents (SOAP payloads, RSS feeds, Android manifests, SVG files) with collapsible element trees, attribute inspection, and XPath querying.
How to Use XML File Viewer
Step 1
Upload an `.xml` file or paste raw XML markup.
Step 2
Inspect the formatted XML tree and click arrows to collapse nodes.
Step 3
Optionally test XPath queries in the top search bar.
Step 4
Click "Copy XML" or "Convert to JSON".
Practical Use Cases for XML File Viewer
Inspecting SOAP & Enterprise XML Payloads
Explore massive enterprise XML schemas and SOAP web service responses with collapsible nodes and syntax-highlighted attributes.
Validating RSS Feeds & Android Manifests
Check XML syntax for missing closing tags, unescaped ampersands, and namespace errors with pinpoint error diagnostics.
Input & Output Examples
Inspecting RSS XML Feed
Uploaded podcast_feed.xml (450 KB)
Collapsible XML DOM tree with 120 `<item>` nodes, clickable XPath selectors, and node attribute badges
Key Features & Performance
- ✓Interactive collapsible DOM tree view: expand/collapse all nodes or search tags/attributes.
- ✓XPath 1.0 Query evaluator: test and execute XPath expressions in real time.
- ✓XML syntax validation: flags unclosed tags, entity errors, and malformed namespaces.
- ✓Exports formatted XML, Minified XML, or converted JSON.
- ✓100% Client-Side memory execution.
- ✓1-Click Copy formatted XML.
Key Terminology & Definitions
XPath (XML Path Language)
An expression language used to select nodes and compute values from an XML document tree (e.g. `/rss/channel/item[1]/title`).
Well-Formed vs Valid XML
Well-formed adheres to standard XML syntax rules; valid conforms strictly to an associated DTD or XSD schema.